On Wednesday, 27 May 2015 21:04:25 UTC+1, dennis@home wrote:
On 27/05/2015 20:50, nt wrote:
dennis@home wrote:
On 27/05/2015 14:10, GB wrote:

I did wonder whether the cable is overspecified to allow for this.

No it isn't in a 2.5 mm2 circuit.

its wholly able to support real life ring loads. Running hotter merely reduces its service life from near infinity.


There must be loads of ring mains with breaks or dodgy connections,
but the number of electrical fires is fairly small.

They are small numbers in all the modern wiring systems.
Radials don't catch fire often either.

there are lots of fires of electrical origin

There aren't lots of fires so there can't be lots of electrical fires.

https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/410287/Fire_Statistics_Great_Britain_2013-14___PDF_Version_.pdf

'Fire and Rescue Services in Great Britain attended 212,500 fires in 2013-14'
'258 deaths in dwellings in 2013-14'

% of domestic fires due to:
Electrical distribution 12%
Space heating 4%
Other electrical 12%


NT